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Finding the Fourth Proportional to 63,365.11, 87,437.89 and 37,866.40

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Solution

The fourth proportional to 63,365.11, 87,437.89 and 37,866.40 is: 52,252.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,365.11 : 87,437.89 = 37,866.40 : x
  2. Step 2: Convert to fraction form
    63,365.11/87,437.89 = 37,866.40/x
  3. Step 3: Cross multiply
    63,365.11x = 87,437.89 × 37,866.40
  4. Step 4: Simplify right side
    63,365.11x = 3,310,958,117.90
  5. Step 5: Solve for x
    x = 3,310,958,117.90/63,365.11
  6. Step 6: Final answer
    x = 52,252.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.